Don't forget to turn off your lights from 8:30 to 9:30 tomorrow night as part of Earth Hour. Chicago's a flagship city for the global effort -- sort of a rolling blackout on a planetary scale.
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Don't forget to turn off your lights from 8:30 to 9:30 tomorrow night as part of Earth Hour. Chicago's a flagship city for the global effort -- sort of a rolling blackout on a planetary scale.
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